sympathetic and parasympathetic control of breathing Flashcards
what does the symaotheitc nerve do
increases breathing rate
what does the parasympathic nerve do
decreases breathing rate
what does the medualla oblygata contain
the respiratory control centre
WHat does the repiratory control centre contain
ICC-inspiratory control centre
ECC-expiratory control centre
what is the inspiratory control centre responsible for
both inspiration and expiration
what is the expiratory control centre responsible for
speed of expiration
what does the phrenic nerve do
stimulates muscle contracions of diamphramg and external internal costals during no exercise
what does the phrenic nerve stimulate during exercise
stimulates other muscles e.g scales, steromusctoid
these increase depth of breathing and tidal volume
what does it stimulate in ECC
intercostal nerve
internal intercostals
increases speed of expiration
